Home / 787,068.88-1,180,603.32-434,324.91

Finding the Fourth Proportional to 787,068.88, 1,180,603.32 and 434,324.91

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Solution

The fourth proportional to 787,068.88, 1,180,603.32 and 434,324.91 is: 651,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,068.88 : 1,180,603.32 = 434,324.91 : x
  2. Step 2: Convert to fraction form
    787,068.88/1,180,603.32 = 434,324.91/x
  3. Step 3: Cross multiply
    787,068.88x = 1,180,603.32 × 434,324.91
  4. Step 4: Simplify right side
    787,068.88x = 512,765,428,533.08
  5. Step 5: Solve for x
    x = 512,765,428,533.08/787,068.88
  6. Step 6: Final answer
    x = 651,487.37

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.